Title:
POWER CONVERTER AND ELECTRIC POWER SYSTEM
Document Type and Number:
Japanese Patent JP2018183038
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a new power converter for converting input DC voltage into output DC voltage.SOLUTION: A power converter 101 includes: an inductor coil 104 whose first pole is connected to an input terminal 102 of the power converter; a controllable switch 105 between the ground and a second pole of the inductor coil; a first unidirectionally conductive component 106 providing a path for electric current from the inductor coil towards an output terminal 103 of the power converter when the controllable switch is non-conductive; and an over-current protector 107 at the output terminal. The power converter further includes a second unidirectionally conductive component 108 for conducting electric current from the input terminal to the over-current protector in a fault situation where voltage at the output terminal is smaller than voltage at the input terminal. Thus, the second unidirectionally conductive component constitutes a low-inductance bypass route for fault current and enables the over-current protector to react fast to a fault situation.SELECTED DRAWING: Figure 1a
Inventors:
KIMMO RAUMA
TERO JARVELAINEN
TERO JARVELAINEN
Application Number:
JP2018057729A
Publication Date:
November 15, 2018
Filing Date:
March 26, 2018
Export Citation:
Assignee:
VISEDO OY
International Classes:
H02M3/155; H02H7/12
Domestic Patent References:
| JPS552712Y2 | 1980-01-23 | |||
| JPH08126304A | 1996-05-17 | |||
| JP2015177635A | 2015-10-05 | |||
| JP2012508665A | 2012-04-12 | |||
| JPS5112939U | 1976-01-30 |
Foreign References:
| WO2016021126A1 | 2016-02-11 |
Attorney, Agent or Firm:
Shigeki Yamakawa
Masaki Yamakawa
Masaki Yamakawa